1993: Master of Science (MSc): London School of Hygiene and Tropical Medicine, London, UK. Department of Epidemiology and Population Sciences. Área: Epidemiologia. Título da tese:’Air pollution and respiratory diseases in infancy: Is it possible to study this relationship?’

1997: Doctor of Philosophy (PhD): London School of Hygiene and Tropical Medicine, UK. Department of Public Health and Policy. Área: Epidemiologia Ambiental. Título da tese: ‘Air Pollution and Health Effects in São Paulo, Brazil: a Time Series Analysis’.